Home / 76,369,494.48-114,403,075.56-66,795,683.28

Finding the Fourth Proportional to 76,369,494.48, 114,403,075.56 and 66,795,683.28

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Solution

The fourth proportional to 76,369,494.48, 114,403,075.56 and 66,795,683.28 is: 100,061,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,369,494.48 : 114,403,075.56 = 66,795,683.28 : x
  2. Step 2: Convert to fraction form
    76,369,494.48/114,403,075.56 = 66,795,683.28/x
  3. Step 3: Cross multiply
    76,369,494.48x = 114,403,075.56 × 66,795,683.28
  4. Step 4: Simplify right side
    76,369,494.48x = 7,641,631,601,363,669
  5. Step 5: Solve for x
    x = 7,641,631,601,363,669/76,369,494.48
  6. Step 6: Final answer
    x = 100,061,309.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.